Error inserting into GBInvoiceLineInstallments 391 when updating the For Location field on a GB invoice

After generating, but not posting a batch of Recurring Invoices, when trying to update the For/Location field on an invoice in Invoice Entry and Proof, the message Error inserting into GBInvoiceLineInstallments -391 is received. 

• General Billing

• Recurring Invoices (gbrecur)

• Invoice Entry and Proof (gbinvent)

There is a defect in the program. 

This error message has no known negative impact. The For/Location field will still update and the invoices will still post. Development is reviewing the error. 

If additional assistance is required, please contact General Billing Support.